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9. 已知連續三偶數的平方和為 596,則下列何者不可能是此三整數之一?(A) 10 (B) -12 (C) 14 (D) -16
問題詳情
9. 已知連續三偶數的平方和為 596,則下列何者不可能是此三整數之一?
(A) 10
(B) -12
(C) 14
(D) -16
參考答案
上一篇 :
8. 下列方程式中,何者的解是相異兩根?(A) 9x2-6x+1=0 (B) 2x2-2x+4=0(C) x2+4x+4=0 (D) x2-9=0
下一篇 :
10. 甲、乙兩地相距 60 公里,小國從甲地等速騎車到乙地,返回的時速增加 10 公里。若來回共花 3.5小時,則小國騎車時速原為幾公里? (A) 20 (B) 30 (C) 40 (D) 50
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